NEVER!!! I love being retired. I work one day a week, just to keep some extra "fabric money" around and I whine all day the day before I have to go to work LOL. I can't imagine how I got anything done during the 40+ years I did work. I'm a "type A" personality and run from morning til night. I get some house cleaning done (very, very minimal) and then run errands. From noon on is MY time: I sew all afternoon, everyday. Do I feel guilty? Yeah I did for the first few days and then heck no--I contributed to society all those years (since I was 16) so now I'm contributing to my sanity.
Friends teased me and said "oh you've gotten up at 5:30am for all those years, bet you still wll". Nope-sleep in til 7:30 and stay up as late as I want.
My mother is 89 and lives alone so she has lots of errands, dr appts, etc, but I have time to do them without resentment.
Some days I sew just to sew--you wouldn't believe the number of table runners and potholders I make LOL.
Enjoy your retirement--it's finally YOUR time!!